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首页> 外文期刊>Acta Horticulturae >The reactions of some forest tree species and the widely grown local chestnut genotypes of Aydn Province/Turkey to Cryphonectria parasitica (Murrill) Barr, the causal agent of chestnut blight.
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The reactions of some forest tree species and the widely grown local chestnut genotypes of Aydn Province/Turkey to Cryphonectria parasitica (Murrill) Barr, the causal agent of chestnut blight.

机译：艾登省/土耳其的一些林木树种和广泛种植的当地栗子基因型对栗疫病的致病因子 Cryphonectria parasitica （Murrill）Barr的反应。

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摘要

One of the major goals of the study was to evaluate the reaction to chestnut blight of some local chestnut genotypes of Aydn Province of Turkey, chosen for possessing good yield and nut quality. The other aim was to provide information whether Quercus species present in the province are alternative hosts of Cryphonectria parasitica (Murrill) Barr. Among the C. parasitica population of Aydn Province two isolates K5-13 and N27-1, which were determined as the most and the least virulent isolates respectively, were used to assess the reactions of six chestnut genotypes. According to the results of excised-stem inoculations all genotypes were considered susceptible, although differentiation concerning their degree of susceptibility was recorded among them. As a matter of fact genotypes coded as N-3-4 (Isklar) and N-20-2 were less susceptible than the others, while N-7-3 (Sar Salman) was the most susceptible one. No chestnut blight symptoms were detected on any of the oak species (Quercus cerris, Quercus coccifera, Quercus ilex) in nature. However, in vitro inoculations with K5-13 isolate resulted in lesion development on all oak species; this indicates that they might be potential hosts for C. Parasitica.
机译：这项研究的主要目标之一是评估土耳其艾登省一些当地栗子基因型对栗枯病的反应，这些基因型被选为具有良好的产量和坚果品质。另一个目的是提供有关该省存在的栎属物种是否是寄生美ry的替代寄主的信息。在 C。 Aydn省的寄生虫种群使用两种分离株K5-13和N27-1（分别被确定为毒性最高和分离力最低的菌株）来评估6种栗子基因型的反应。根据切除茎接种的结果，所有基因型都被认为是易感的，尽管在它们之间记录了关于其敏感性程度的差异。事实上，编码为N-3-4（Isklar）和N-20-2的基因型比其他基因型更不易感染，而N-7-3（Sar Salman）是最易感的。在自然界中，没有任何橡树物种（ Quercus cerris ， Quercus coccifera ， Quercus ilex ）被发现有栗枯病症状。但是，用K5-13分离物进行体外接种会导致所有橡树种发生病斑。这表明它们可能是 C的潜在宿主。寄生虫。

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